Casio DW6600C-1V G-SHOCK 200M

Shock resistant (G-Shock) 
Electro-luminescent backlight 
1/100 second stopwatch 
Measuring capacity: 23:59'59.99" 
Measuring mode: net time, split time, 1st-2nd place times 
Target time setting 
Auto start function 
Countdown alarm 
Input range: 1 to 60 minutes 
Measuring unit: 1/10 second 
Repeat function 
Hourly time signal 
Regular timekeeping: hour, minute, second, am/pm, month, date, day 
Auto-calendar (set at 28 days for February) 
12/24-hour formats 
Accuracy: ± 15 seconds per month 
Battery: Approx. 2 years on CR2016